[NEW] selfupdate

cmd/selfupdate.go

@@ -0,0 +1,86 @@
+/*
+Copyright © 2022 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"context"
+	"dummy/util"
+	"fmt"
+	"runtime"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/selfupdate"
+	"github.com/spf13/cobra"
+)
+
+var (
+	Ver  string
+	List bool
+)
+
+// selfupdateCmd represents the selfupdate command
+var selfupdateCmd = &cobra.Command{
+	Use:   "selfupdate",
+	Short: "Updates to latest or specific version",
+	Long: `Updates to latest or specific version of dummy.
+
+To update to latest version use:
+	dummy selfupdate
+	
+To update to version 0.0.3 use:
+	dummy selfupdate --version=0.0.3`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+
+		// Initialize minio client
+		isps3 := util.S3{
+			Endpoint:        "isp-dev.paasdev.sk:9000",
+			AccessKeyID:     "LHHV6WR7EEMRS1RLX6BW",
+			SecretAccessKey: "m8PvnzpRB4ORYwcJtzeJpboFUIBAfbZ3wwh3Bkcp",
+			UseSSL:          true,
+		}
+		err := isps3.Init()
+		if err != nil {
+			return err
+		}
+
+		if List {
+			updateCol := isps3.Client.ListObjects(context.Background(), "dummy", minio.ListObjectsOptions{
+				Prefix: fmt.Sprintf("%s/dummy", runtime.GOOS),
+			})
+
+			fmt.Println("Available updates:")
+			for object := range updateCol {
+				if object.Err != nil {
+					return err
+				}
+				fmt.Println(object.Key)
+			}
+			return nil
+		}
+
+		path := fmt.Sprintf("%s/dummy-%s", runtime.GOOS, Ver)
+		fmt.Println("Updating dummy to: ", path)
+		// Read the update
+		update, err := isps3.Client.GetObject(context.Background(), "dummy", path, minio.GetObjectOptions{})
+		if err != nil {
+			return err
+		}
+		// Do update
+		err = selfupdate.Apply(update, selfupdate.Options{})
+		if err != nil {
+			return err
+		}
+		fmt.Println("Update finished")
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(selfupdateCmd)
+
+	selfupdateCmd.Flags().StringVar(&Ver, "version", "latest", "Version to install (optional)")
+	selfupdateCmd.Flags().BoolVar(&List, "list", false, "List available versions (optional)")
+
+	selfupdateCmd.MarkFlagsMutuallyExclusive("version", "list")
+}